®

Hu mi di ty con trol ler

Tech ni cal data

Dis play 2 pcs 7-seg ment 15 mm di git LED and 2 pcs Ø3 mm LED dio des

Dio de Step 1 (red)

Dio de Step 2 (red)

Pro gram ming 4 pcs tac ti le swit ches

Hu mi di ty sen sor Ho ne y well HIH-4000-003/004

Sen sor Con nec tion 4-wire, 4/4 mo du lar ter mi nal RJ9

Me a su ring range 0..99 % RH.

0..2 % and 100 % is in di ca ted as er ror [- -] with dis play flashing.

Me a su re ment er ror ± 2 % RH

Num ber of swit ching

li mits

2 pcs pro gram mable 3..99 %

Hys te re sis 2 pcs. One for each step. 1..50 %

Alarm 1 pc high le vel 3..99 %, al ways hig her than step 1

Out put re lays 2 pcs

Re lay 1 Step 1 (de sig ned for 230 VAC, not for low vol ta ge sup ply swit -

ching)

Re lay 2 Step 2 (de sig ned for 230 VAC or low vol ta ge swit ching)

Max load: 230VAC 16A cosj = 1

Iso la tion width on the PCB (prin ted cir cuit board) al lows some mix tu re of

both 230 VAC and low vol ta ge swit ching when con nec ting to re lay out -

puts. 230 VAC for step 1 and 230 VAC or 24 VAC for step 2 (alarm

re lay).

Ma nu al re set Not av ai lable, auto ma tic re set.

Sup ply vol ta ge 200 .. 240 VAC

Po wer con sump tion 7,5 VA

Am bi ent temp. -20..55°C, non con den sing

Deg ree of pro tec tion Con trol unit IP 44, Duct sen sor IP 54, Room sen sor IP 44

HC-2 Sidan 1 [6]

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HC-2, Humidity Controller

Operating and installation manual[Dok id: mi-292gb_150522]

HC-2Replaces: mi-292gb_140917

DesignHu mi dis tat for con trol ling de hu mi di fi ers or hu mi di fi ers with three pro gram mable li mits. Cur rent re la ti ve hu mi di ty (RH) is me a su red and dis play ed with two di gits. Con nec ted step or steps are in di ca ted withtwo red light emit ting dio des (LED) on the front co ver. Alarm is in di ca ted by dis play flashing. Mal func -tio ning hu mi di ty sen sor is in di ca ted with two dashes [- -] and dis play flashing.

HC-2 has two vol ta ge-free re lay out puts.

Limit valuesThe pro gram mable li mits are used to con trol de hu mi di fi ers or hu mi di fi ers. If the re la ti ve hu mi di ty ex -ce eds a pro gram mable li mit [3...99% RH], an out put is ac ti va ted with re lay chang e o ver and/or alarmis ac ti va ted.

q Li mit va lue 1 (P1). Step 1De hu mi di fying: Con nec tion is made at set li mit va lue. LED step 1 is lit and re lay 2 is ac -ti va ted. Dis con nec tion is made at the set va lue mi nus the va lue for the hys te re sis, (P1 - P2 [% RH]).Hu mi di fying: Con nec tion is made at set li mit va lue. Dis con nec tion is made at the set va -lue plus the va lue for the hys te re sis, (P1 + P2 [% RH]).

q Li mit va lue 2 (P3). Step 2De hu mi di fying: Con nec tion is made at set li mit va lue. LED step 1 is lit and re lay 2 is ac -ti va ted. Dis con nec tion is made at the set va lue mi nus the va lue for the hys te re sis, (P3 - P4 [% RH]).Hu mi di fying: Con nec tion is made at set li mit va lue. Dis con nec tion is made at the set va -lue plus the va lue for the hys te re sis, (P3 + P4 [% RH]).

q Li mit va lue 3 (P5). AlarmAlarm is ac ti va ted, (in di ca ted only by the dis play flashing), when the hu mi di ty ex ce edsthe pro gram mable li mit in pa ra me ter P5. This pa ra me ter in clu des a hys te re sis not pro -gram mable of app rox 2 % RH. The Alarm has auto ma tic re set when cur rent RH-va lue is be low the li mit va lue mi nus the hys te re sis.(P5 - 2 [% RH])

ProgrammingKeep the PGM-key pres sed for app rox. 3 se conds, the dis play swit ches from sho wing the ac tu al hu -mi di ty va lue (%RH) to the pa ra me ter list´s first pa ra me ter P0. The Pa ra me ter list con tain six pa ra me -ters, whe re the first pa ra me ter P0, sho wing the inter nal pro gram me ver sion, is not pro gram mable.

By pres sing ¹¸ each pa ra me ter num ber P0 … P6 is shown.

By pres sing PGM for a se lec ted pa ra me ter num ber, the pro gram med pa ra me ter va lue is shown.

Ac tu al pro gram ming of a pa ra me ter is star ted by pres sing PGM once. The left di git starts to flash in di -ca ting that the di git va lue can be chang ed with ¹¸. Fi nal con fir ma tion of set va lue is done by pres -sing PGM again. When con fir med the right di git will start to flash and the same pro ce du re is done tochange this di git. When fi nal con fir ma tion is done both di gits and the pro gram med new va lue isflashed three ti mes to con firm a suc cess ful pro gram ming of the pa ra me ter.

Pro gram ming can be can cel led be fo re the last con fir ma tion is done by pres sing ESC.

Af ter com ple ted pro gram ming of a pa ra me ter re turn to the pa ra me ter list by pres sing ESC.

HC-2 Sidan 2 [6]

2015-05-22

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Parameters

Par.

no.

Pa ra me ter Range De fault

P0 Pro gram me ver sion 0,0 … 9,9 X.XX

P1 Con nec ting Step 1 3..99% RH 50

P2 Hys te re sis. (dis con nec ting Step 1) 1..50% RH 5

P3 Con nec ting Step 2 3..99% RH 75

P4 Hys te re sis. (dis con nec ting Step 2) 1..50% RH 10

P5 Alarm li mit (high le vel) 3..99% RH 70

P6 Re lay func tion 0..2 0

Manual operationKeep both PGM and ESC pres sed for at le ast a mini mum of 3 se conds to change to ma nu al ope ra -tion mode. Pos sible ma nu al ope ra tion is:

q Both Step 1 and Step 2 tur ned off.

q Step 1 ac ti va ted.

q Step 1 + Step 2 ac ti va ted.

The ma nu al ope ra tion does not take any con si de ra tion to set hys te re sis.

Changing from Manual mode to Automatic operationRe turn to auto ma tic ope ra tion mode can be made in two se pa ra te ways:

1. Press ESC for at le ast 0,5 sec.

2. If no key has been pres sed for app rox 30 mi nu tes, the con trol ler chang es to auto ma tic ope ra -

tion mode.

Relay function in parameter P6This pro gram mable pa ra me ter al low dif fe rent re lay out put set tings when the set li mits are ex ce e ded.

Pro gram med

va lue in P6

Step 1 Step 2

0 De hu mi di fying De hu mi di fying

1 Hu mi di fying De hu mi di fying

2 Hu mi di fying Hu mi di fying

General designThe hu mi dis tat con sist of a main unit in clu ding dis play, po wer sup ply, re lays and I/O-elec tro nics. Thehu mi di ty sen sor is en clo sed in a se pa ra te box with a 0-10 V out put sig nal con nec ted to the main unitusing a 4-wire mo du lar cable.

HC-2 Sidan 3 [6]

2015-05-22

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Externally installed Dis play moduleThe front co ver of the main unit is de ta chable. The dis play is moun ted to the front co ver and the con -nec tion to the main PCB is done with a cable run ning on the out si de of the en clo su re con nec ted witha 4/4 RJ9 mo du lar con nec tion. It is pos sible to re lo ca te the dis play on a re mo te pla ce if ne e ded, max50 me tres, in clu ding length of cable to the Hu mi di ty sen sor. The dis play is con nec ted by a 4-wire mo -du lar cable to the main unit.

q DGND, +18V, Re lay con trol 0..5V, Hu mi di ty sig nal 0..10V

Main unit with po wer sup plyThis unit con sist of the po wer sup ply mo du le with re lay out puts and two 4/4 mo du lar jacks for con nec -ting the sen sor and the dis play mo du le.

q One mo du lar jack for the dis play mo du le, 4/4 RJ9 jack with the fol lo wing sig nals:

q DGND, +18V, Re lay con trol 0..5V, Hu mi di ty sig nal 0..10V

q One mo du lar jack for the sen sor mo du le, 4/4 RJ9 jack with the fol lo wing sig nals:

q +18V, AGND, AGND, Hu mi di ty sig nal 0..10V

q Po wer sup ply to dis play and sen sor mo du le +18V

q En co ding of sig nal for re lay ON/OFF re a ding, 0..5V

The re lay sig nal can com bi ne the fol lo wing func tions for the re lay out put:

q Le vel 0, No step ac ti va ted

q Le vel 1, Step 1 ac ti va ted

q Le vel 2, Step 1 + Step 2 ac ti va ted

Humidity sensorThis unit is con nec ted with a 4-wire mo du lar cable with 4/4 RJ9 mo du lar plugs bet we en the sen sor boxand the main unit:

q +18V, AGND, AGND, Hu mi di ty sig nal 0..10V

Protection against mis-connected modular cables to the main unitTo av oid da ma ge to the main unit and pro blems with a faul ty con nec tion of the dis play and sen sormo du le the de sign is de ve lo ped to in di ca te the KC-2 in an un po we red sta te;

q Dis play mo du le gets no po wer and all LED´s are tur ned off.

q Re lays are in an un po we red sta te.

Dis con nec ted cable bet we en the dis play mo du le and main unit;

q Re lays are in an un po we red sta te.

Dis con nec ted cable bet we en the sen sor mo du le and main unit

q Re lays are in a po we red sta te

q Dis play is flashing to in di ca te er ror.

A cor rect ly con nec ted unit is in di ca ted by;

q The Dis play mo du le is lit and in di ca tes cur rent hu mi di ty, LED´s for ac ti va ted steps are lit.

q Re lays swit ches as soon as the hu mi di ty le vel is abo ve set li mits.

Con nec tions for main sup ply vol ta ge and re lay out puts on the main unit are not pro tec ted againstfaul ty wi ring and the re fo re is in cor rect wi ring ha zar dous can cau se per so nal in ju ry, da ma ge to the ap -pa ra tus, fire or risc of short cir cui ting.

Disconnected supply voltageIf the main sup ply vol ta ge is dis con nec ted from the hu mi dis tat both re lays chang e o ver to an un po we -red sta te (NO).

HC-2 Sidan 4 [6]

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HC-2 Sidan 5 [6]

2015-05-22

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HC-2 Sidan 6 [6]

2015-05-22

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