Calorex DH44 Series Quick start guide

Page 1
HEALTH AND SAFETY WARNING
As the dehumidifier embodies electrical and rotational equipment, ONLY competent
persons should carry out any work on this type of machine. (See warranty).
OWNER/INSTALLATION MANUAL
WALLHUNG/FLOORSTANDING
DEHUMIDIFIERS
DH44/66 RANGE
SD496250 ISS 2
Contents
1.1 MOUNTING, POSITION ....................................................................................................................... 2
1.2 WALL HANGING/FLOORSTANDING ..................................................................................................4
2.1 CONDENSATE DRAIN CONNECTION ................................................................................................ 5
2.2 ELECTRICAL CONNECTION .............................................................................................................. 6
3.0 HUMIDISTAT SETTINGS ..................................................................................................................... 7
4.1 OPTIONAL HUMIDISTAT/AIRSTAT ..................................................................................................... 8
4.2 OPTIONAL LPHW ............................................................................................................................. 10
4.3 OPTIONAL AIR FILTER ..................................................................................................................... 11
5.1 OPERATION ...................................................................................................................................... 12
5.2 SERVICE NOTES .............................................................................................................................. 12
6.0 TECHNICAL DATA ............................................................................................................................. 13
7.0 WIRING DIAGRAMS .......................................................................................................................... 14
8.0 WARRANTY CONDITIONS ............................................................................................................... 18
R
CALOREX HEAT PUMPS & DEHUMIDIFIERS
The Causeway, Maldon, Essex CM9 5PU
Service No: [phone]
Tel No: [phone]
Fax No: [phone]
Email: [email protected]
Website http://www.calorex.com

Page 2
200 MINIMUM 200 MINIMUM
200 MINIMUM
For optimum performance of the dehumidifier, care needs to be taken when considering it’s
position.
1. Good air circulation.
2. The unit needs to be horizontally level.
3. At least 200mm away from ceiling and corners of the room.
4. At least 200mm service access is required.
5. If the dehumidifier is positioned on a wall, the wall needs to be load bearing. (A plaster-
board or wood cladded wall is not sufficiently strong).
1.1 MOUNTING, POSITION

Page 3
2)THE ISOLATOR FOR THE DEHUMIDIFIER MUST COMPLY TO THE APPROPRIATE IPX REGULATION
CAN BE WITHIN 1,25M BUT
MUST THEN BE 2,5M ABOVE
POOL SURFACE
1) N.B. THE RCD IS AN EARTH LEAKAGE TRIP & ALTHOUGH NOT ALWAYS REQUIRED
IT IS RECOMMENDED THAT IT IS USED ON ALL INSTALLATIONS. (A 30mA RCD SHOULD BE USED).
IF THE UNIT IS WITHIN 1,25M
OF THE POOL HORIZONTALLY
THEN IT MUST BE 2,5M ABOVE
THE POOL SURFACE.
ALTHOUGH THE UNIT IS 2,5M
ABOVE THE HEIGHT OF THE
POOL IT IS NOT ACCESSIBLE
FOR SERVICE & SO BREAKS
THE NEW REGULATIONS
2,5M
1,25 - 2,0M MUST BE FITTED WITH AN RCD
AND BE AT LEAST 300mm FROM FLOOR
MUST BE FITTED WITH RCD
ANY HEIGHT ACCEPTABLE
2,0-3,5M
16TH EDITION REGULATIONS AND CALOREX UNITS

Page 4
1.2 WALL HANGING/FLOOR STANDING
1345.00
80.00
540.00
1080.00
80.00
80.00
622.00
931.00
CHECK BRACKET
IS LEVEL CHECK ALL
FIXINGS
ARE TIGHT
WALL BRACKET
MACHINE BRACKET
ANTIVIBRATION
BUFFER POSITIONS
WALL BRACKET
MACHINE BRACKET
ANTIVIBRATION
BUFFER
POSITIONS
CHECK
BRACKET
IS LEVEL CHECK ALL
FIXINGS
ARE TIGHT
80.00 80.00 80.00
880.00
622.00
315.00
630.00
931.00
WALL
REMOVE
GROMMETS
95.00 MAX
30.00
340.00
274.20
294.20
FIT
ANTIVIBRATION
BUFFERS
DH44 MODEL
DH66 MODEL
When the dehumidifier is unpacked it is suitable for use standing on the floor. The feet can be
adjusted to allow for unevenness in the surface. If the unit is to be mounted on a wall, the
complete package contains wall brackets and antivibration buffers. Once the unit has been
hung on the wall the floor stand arrangement can be removed. Access to the fixings for the
stand arrangement can be gained by removing the round grommets in the feet.

Page 5
DH66 DEHUMIDIFIER SHOWN.
POSITIONS OF KNOCKOUTS FOR CONDENSATE DRAIN CONNECTION
CONDENSATE
DRAIN
L
40.00
40.00
110.00
110.00
CONDENSATE
DRAIN
22.00
100.00
20%
80%
60%
40%
22.00
100.00
2.1 CONDENSATE DRAIN CONNECTION
The condensate output and electrical connections can be at either end of the machine, at the
side or in the back, depending on the requirements of the user. To gain access to the unit
remove the covers, unscrewing the fixing screw in both end mouldings.The driptray can be
removed and turned round. Remove the desired knockouts, insert grommet (supplied) and
route condensate pipe through the knockout.(Tube outside diameter 19mm).
REMOVAL OF COVERS

Page 6
2.2 ELECTRICAL CONNECTION
30.00
22.00
20%
80%
60%
40%
22.00
30.00
ELECTRICAL
ENTRY POINT
ELECTRICAL
ENTRY POINT
45.00
40.00
45.00
40.00
POSITION OF
ELECTRIC BOX
The electrical connection should be carried out by an authorised electrician, paying special
attention to the latest IEE regulations. In any case, the mains power supply should be fitted with
a 30mA/30ms protection switch. The cable access position can be selected by the customer
from the positions shown above. Once the desired knockout has been removed a cable gland
(supplied in package) can be fitted to neaten off the hole.
The electric box is situated under the compressor cover which will need to be removed.
The connections are made to the terminal box on the outside of the electric box in the bottom
right hand corner of the dehumidifier.
FAN MODE SWITCH
A fan mode switch is positioned on the electric box with the following modes:
Fan continuous - continuous operation of the fan.
Fan cycle - the fan will be switched on and off automatically by the humidistat.
The mode “fan cycle” helps, especially with a covered swimming pool, to save energy:
(but in this mode larger humidity swings may be experienced).
After connecting the electrical supply, the compressor cover and machine cover need to be
installed in the manner shown on page 5.
The dehumidifier is now ready to operate.
Attention. The dehumidifier should not be switched on without it’s covers in place. Operation
without a cover causes poor airflow. Due to safety features the unit will switch off after a short
period of time.
DH66 DEHUMIDIFIER SHOWN
POSITIONS OF KNOCKOUTS FOR ELECTRICAL CONNECTION

Page 7
60%
3.0 HUMIDISTAT SETTINGS
The dehumidifier is provided with automatic control by a humidistat that can be adjusted to suit
room requirements. Adjustment is by a dial that is located on the right hand side of the unit. The
dial is marked as % relative humidity. When the % relative humidity is lower, the air is drier.
To set the dial, turn it so that the requred room humidity is positioned adjacent to the reference
mark as shown below. A room relative humidity of 50% to 60% is recommended. To operate the
dehuidifier continuously or to test its operation, turn the dial to the 20% position. In this position
the fan and compressor will run continuously (after the initial 6 minute time delay).
REFERENCE MARKER ON SIDE MOULDING
(ENLARGED FOR CLARITY)
FOR OTHER
SETTINGS
SEE DIAL

Page 8
4.1 OPTIONAL HUMIDISTAT/AIRSTAT
WITH REMOTE HUMIDISTAT FITTED ENSURE HUMIDISTAT
IN MACHINE IS SET FULLY CLOCKWISE (IE MAXIMUM DEHUMIDIFICATION)
REMOVE PINK WIRE LINK
12V REMOTE HUMIDISTAT CONNECTIONS
1mm SQ CABLE
250M MAX
HUMIDISTAT
(NOT SUPPLIED, WE
RECOMMEND CALOREX
PART SD385250.
SIEBE PART No.119 1701
91100) REMOVE
LINK
BOILER DEMAND
SIGNAL VOLT FREE
HUMIDISTAT
N (L2)
L (L1)
E (GND)
8
7
6
5
4
3
2
1
AIR STAT
COMMON
12V REMOTE AIR THERMOSTAT CONNECTIONS
FOR M/C WITH RESISTANCE HEATERS OR LPHW
12V REMOTE AIR THERMOSTAT CONNECTIONS
1mm SQ CABLE
250M MAX
AIR STAT
(NOT SUPPLIED, WE
RECOMMEND CALOREX
PART SD385251.
INVENSIS TYPE RTR-E6705,
PART No.111 170951 100).
HUMIDISTAT
N (L2)
L (L1)
E (GND)
BOILER DEMAND
SIGNAL VOLT FREE
8
7
6
5
4
3
2
1
AIR STAT
COMMON

Page 9
WITH REMOTE HUMIDISTAT/AIR STAT FITTED ENSURE HUMIDISTAT
IN MACHINE IS SET FULLY CLOCKWISE (IE MAXIMUM DEHUMIDIFICATION)
REMOVE PINK WIRE LINK
12V COMBINED REMOTE HUMIDISTAT/AIR STAT CONNECTIONS
1mm SQ CABLE
250M MAX
HUMIDISTAT/AIR STAT
(NOT SUPPLIED, WE
RECOMMEND CALOREX PART
SD385252.
EBERLE PART No.HYG-E-7001)
REMOVE
LINK
BOILER DEMAND
SIGNAL VOLT FREE
HUMIDISTAT
N (L2)
L (L1)
E (GND)
8
7
6
5
4
3
2
1
AIR STAT
COMMON
5
2
7

Page 10
RADIATORS IF FITTED
LPHW
CONNECTIONS
LOCATED ON
DEHUM CABINET
BOILER
PUMP
3 WAY MOTORISED VALVE
CONTROLLED BY CUSTOMERS
THERMOSTAT
LPHW PLUMBING SCHEMATIC
337.00 35.00
22.00
2
0
%
8
0%
6
0%
40%
337.00 35.00
22.00
HOT
WATER IN
COOL
WATER OUT
HOT
WATER IN
COOL
WATER OUT
4.2 OPTIONAL LPHW
Connect the flow and return water circuit pipe work by means of the 15mm stubs which are
provided on the side of the machine. The connections project 40mm out from the left hand side
of the DH44 and the right hand side of th DH66.
Attention! Flow - bottom connection
Return - top connection
The 3 way, motorised, diverting valve fitted to machines with the LPHW option is operated by a
remote 12V AC air temperature thermostat (available from Calorex).
When the valve is energised the flow is through the LPHW coil.
When the valve is unenergised the flow is diverted.
NOTE :- When the fan switch is set to cycle and the fan is not running, a demand on the LPHW
valve will cause the fan to automatically start.
LPHW INLET AND OUTLET POSITIONS
DH44 DH66

Page 11
4.3 OPTIONAL AIR FILTER
20%
80%
60%
40%
AIR FILTER
1
2
DH44 DH66
780 x 430 1240 x 430
SD264655 SD264656
AIR FILTER SIZES
The optional air filter is situated behind the front covers, in front of the evaporator fins and is
accessed by removing the covers. Undo the screw in each side moulding and lift off covers.
This should only be done with the power turned OFF.
From time to time it may be necessary to remove the filter for cleaning purposes. All that is
needed to clean the filter is to remove it and wash it in warm soapy water. Reinstall the filter
when dry.

Page 12
5.1 OPERATION
A normal humidistat setting of 50-60% RH, marked on the dial provided.
Minimum air temperature DH44/66A is 15ºC
Minimum air temperature DH44/66AX is 5ºC
Note on “X” models fan stops during defrost.
On models with resistance heaters DH44/66”P” heating control is governed by the remote
mounted air thermostat, adjust to desired air temperature, heater will run automatically as
required.
On models with LPHW, fans will start automatically as required.
5.2 SERVICE NOTES
Maintenance
a. Ensure air inlet/outlets are kept clean. Air filters are available.
b. Wipe clean with a damp cloth or cleaning fluid suitable for polyeurethane.
Cleaning
The evaporator and the condenser will need to be cleaned occasionally with a soft brush. It is
also necessary to check if the driptray and the condensate drain contain any dirt which may
impair satisfactory operation. Calorex recommends that the maintenance should be done
annually by a specialised dealer.
Note The reply paid warranty registration card must be returned to ensure the correct warranty
is given. If you do not find a registration card with your machine please contact the CALOREX
service department giving your name, address, and the serial number of your machine. A card
will then be sent to you for your completion.
Health and Safety
As the Heat Pump contains electrical and rotational equipment, it is important that ONLY
competent persons carry out any work on this type of machine (see warranty).
Before opening the unit you must ensure that the mains supply is isolated
Machine not running at all
Check the following:
Is the supply switched on?
Is the supply fuse healthy?
Turn the humidistat dial fully clockwise.
Check the air inlet and oulet for obstructions.
On “P” models reset thermostat(s)
If, after carrying out the above and waiting 1 hour the machine does not start phone for service.
Machine Fan only running
Turn humidistat dial fully clockwise
Check air inlet and oulet for obstructions, if after waiting 30 minutes the machine does not start
phone for service.
Water leaking from base of unit
Check connection from machine to drain for blockages and clear accordingly, check fall is
adequate.
Check that machine is both vertically and horizontally level.
The user checklist should be carried out before initiating a service call.
Do not attempt to interfere with any internal control setting as these have been factory
calibrated and sealed.

Page 13
6.0 TECHNICAL DATA
a) These performance figures are based on air @ 30ºC, 60% RH and boiler water @ 80ºC
b) Humidistat adjustable from 20% to 80%
c) Minimum air temperature on standard (A) models 15°C
d) Minimum air temperature on defrost (AX) models 5°C
e) Maximum operating conditions air temp 35ºC and 90% RH
1L/min=0.22gall/min
1m hd =1.4psi
1mm Wg =9.8Pa
MODEL DH44A / A X DH66A / A X
DEHUMIDIFICA TION l/hr 1.25 2. 41
l/day 30.0 58.0
TOTAL HEA T TO A IR:
DEHUMIDIFIER ONLY kW 1. 6 3.0
DEHUMIDIFIER & LPHW kW 4. 9 8.8
LPHW ONLY kW 3.3 5.8
NOMINA L POWER CONSUMED:-
FAN ONLY kW 0.04 0.07
DEHUM' ( COMP & FA N) kW 0.5 1 0.98
SUPPLY 230V 50Hz 230V 50Hz
FUSE A MP 10 13
NOMINA L RUNNING A MPS A MP 2. 6 4.2
FULL LOADAMPS AMP 3.5 6.0
COMPRESSOR L. R. A . A MP 12.0 26 .0
AIR FLOW m³/h 440 740
NOISE LEVEL @ 3m dB/A 42 44
LPHW FLOW RATE l/min 4.8 10.2
LPHW PRESSURE DROP m hd 3.8 3.4
LPHW VOLUME l 0.9 1.4
REFRIGERA NT CHA RGE kg R407c 1. 1 1. 7
IP RA TING 45 45
WEIGHT UNPACKED/PACKED kg 57/81 74/106

Page 14
7.0 WIRING DIAGRAMS
D H44/66A TTW44/66A
AS DRAWNA
1 EXTRA RELAY (R3) AND TERMINALS ADDED CJW 04:11:05
D490850
WIRING DIAGRAM 1 --- SBH 19:09:05 NTS
WITH REMOTE HUMIDISTAT
SBH 1:11:05
ISS C/N APPD DATE R
c
U.C.C.
CALOREX HEAT PUMP S LTD
MATERIAL FINISH
TOLERANCE UNLESS SPECIFIED HOLES TO BS 4500 E12 INSPECTION LEVEL DIMS
SHT No. CONT' DRAWN
DRG No.
APPROVED DATE SCALE
TITLE
DRAWING CHANGE
BL B BR GR O P R W G/Y GREEN/YELLOW
WHITE RED PINK ORANGE GREY BROWN BLUE
BLACK SCHWARZ
BLAU BRAUN GRAU ORANGE ROSA ROT WEIB GRUN/GELB
NOIR BLEU MARRON GRIS ORANGE ROSE ROUGE BLANC VERT/JAUNE
V VIOLET VIOLETT VIOLETTE G GREEN GRUN VERT
NOTE 1. ALL WIRING 1mm UNLESS OTHERWISE STATED 2. CALOREX FIT 2uf FAN CAPS ON BOTH DH44 & DH66
MV
R2
R1
8
5
2
6
CIRCUIT DIAGRAM
1
CYCLE
10 11
7
4
12V SIDE
12V AC REMOTE
HUMID ISTA T
4
A B
K
6 mins
HP
LP
D
S1
K
FT
T
SH
N(L2) L(L1)
CO NTINUOUS
C1
1
7
4
1
1011
R3 K
9
6 3
REMOTE
AIR STAT
12VAC
L.P.H.W VALVE Y
BOILER DEMA ND SIGNAL
( VOLT FREE)
IF FITTED
DO NOT SC ALE PRINT
C4
C3
HARD START
V
U
X
MC
C2
2 FAN SPEED CAPACITOR ADDED (7 mfd) 1105 GSM 3:3:06
3 FAN LE AD CONNECTIONS ALTERED. COMP EXTERNAL O/L DELETED 1105 GSM 14:3:06
C4 FAN SPEED CAPACITOR KONDENSATOR VENTILATORGESCHWINDIGKEIT CONDENSATEUR D' ACCELERATION DU VENTILATEUR
S1
HP
LP D
K
MC
MV C2 C1 Y A
FAN MODE SWITCH
LOW PRESSURE SWITCH
DELAY TIMER
RELAY
COMPRESSOR MOTOR
FAN MOTOR
COMPRESSOR CAPACITOR
FAN CAPACITOR
SOLENOID VALVE
DEFROST THERMOSTAT/TIMER
HIGH PRESSURE SWITCH
GEBLASESCHALTER
HOCHDRUCKSCHALTER
NIEDERDRUCKSCHALTER
VERZOGERUNGSRELAIS
RELAIS
KOMPRESSORMOTOR
VENTILATORMOTOR
KONDENSATOR KOMPRESSOR KONDENSATOR VENTILATOR
MAGNETVENTIL
ABTAUTHERMOSTAT/-UHR
SELECTEUR DE MODE DU VENTILATEUR
REINITIALISATION DEFAUT HAUTE PRESSION
REINITIALISATION DEFAUT BASSE PRESSION
TEMPORISATEUR
RELAIS
COMPRESSEUR
MOTEUR DU VENTILATEUR
CONDENSATEUR DU COMPRESSEUR CONDENSATEUR DU VENTILATEUR
VANNE ELECTROMAGNETIQUE
THERMOSTAT DE DEGIVRAGE TEMPORISE
TH LPHW THERMOSTAT PWW-STAT THERMOSTAT LPHW C3 HARD KICK CAP/RELAY COND./RELAI DE DEMARRAGEHARTSTART KONDENSATOR
HYGROSTAT
THERMOSTAT DE DEGIVRAGE
HYGROSTAT
VEREISUNGSSCHUTZTHERMOSTAT
HUMIDISTAT
DEFROST THERMOSTATFT
SH T TRANSFORMER TRANSFORMATOR TRANSFORMATEUR
LABEL D490950 ISS3
B
R/BL
12V AC REMOTE
HUMIDISTA T
R/W P
R/O
6 9
11
4
7
10
RELA Y 2
K
12V AC REMOTE
AIR STAT
P
REMOVE LINK WHEN
REMOTE HUMIDISTAT
FITTED
O/BL
230V COIL
12V COIL
13
52 8
O/BL
TRANSFORMER T1
T
230v
12v
O
BR
B
P
C1
FAN
CAP 2uf
GR
BR
G/Y
B
BL
FAN MOTOR DH66 MV
R
R/O
R R/O
B
BL
G/Y
R/O 0,5
R 0,5
H C L C
D490850
COMPRESSOR
U
V
X
B
G/Y
BR
P
EARTH STUD
G/Y B BR
E
N (L2) L (L1)
TERM'BLOCK
CYCLE
CONT'
ROCKER SWITCH S1
BR
O/BL
HUMID I
STAT
DF
STAT
HP
SWITCH
LP
SWITCH
W W
R
R/O
W/BL
TIMER
6 9 B 4 7 A
RELA Y 1
B
COMP'CAP
30uf
P
BR
R
G/Y
C L
R/O
R/BL
BR
(GND)
R
WALL PANEL
R/BL
R/O
R 0,5
GR
12V COIL
BR
MC
D
FTSH
K
C2
GR
HARDKICK CAP/RELAY
C3
BR
6 9 11 4 7 10
RELA Y 3
K
3 1
R
R 0,5
O 0,5
O
L.P.H.W VALVE
GR
O
B
BR
B
B
BR
Y
O
GR
TERMINAL BLOCK
BOILER
DEMAND
SIGNAL
R/O 0,5
O
GR
B
R/W
IF FITTED
BR
B
VOLT FREE
1 2 3 4
5 6 7 8
R
IF IN D OUBT A SK DRG No.
C4 FAN SPEED CAP 7uf
R/B L BL
Y
BR
R
G/Y
O
BL
B
FAN MOTOR DH44 MV
GR
W
INSULATE UNUSED LEADS FOR SAFETY
L.P.H.W VALVE
GR
O
B
BR
Y
IF FITTED
GR LINK
ELEC BOX OUTLINE
R
R/O
B
BL
G/Y
B
BR
O
GR
B
1 2 3 4 5 6 7 8 9 O

Page 15
NOTE 1. ALL WIRING 1mm UNLESS OTHERWISE STATED 2. CALOREX FIT 2uf FAN CAPS ON BOTH DH44 & DH66
ISS C/N APPD DATE
c
U.C.C. CALOREX HEAT PUMPS LTD
DRAWING CHANGE
R
MATERIAL
FINISH D490851
WIRING DIAGRAM 1 --- SBH 20:09:05 NTS
TTW44/66AX
DH44/66AX
WITH REMOTE HUMIDISTAT
TOLERANCE UNLESS SPECIFIED
HOLES TO BS 4500 E12
INSPECTION LEVEL DIMS
SHT No. CONT' DRAWN
DRG No.
APPROVED DATE SCALE
TITLE
1 PRODUCTION ISSUE GSM 25:5:06
D490851
IF IN DOUBT ASK
DRG No.
R/BL
R/O 0,5
C1
FAN
CAP 2uf R
R/O
C4
FAN
SPEED
CAP 7uf
R/BL
BL
LABEL D490951 ISS1
B
R
R/O
INSULATE UNUSED LEADS FOR SAFETY
BR
R
O
GR
W
Y
G/Y
BL
B
FAN MOTOR DH44 MV
IF FITTED
L.P.H.W
VALVE Y
GR
O
B
BR
B
BL
G/Y
O
B
BR
GR
B
12V AC REMOTE
HUMIDISTAT
R/W
P
O
12V AC REMOTE
AIR STAT
P
REMOVE LINK WHEN
REMOTE HUMIDISTAT
FITTE D
O/BL
12V COIL
COMPRESSOR
U
V
X
B
G/Y
BR
P
EARTH STUD
G/Y
B
BR
TERM'B LOCK
CYCLE
CONT'
ROC KE R
SWITCH S1
O/BL
DF STAT+
TIMER
HP
SWITCH
W
R
R/O
BR
G/Y
N (L2) L (L1)
E
(GND)
WALL PANEL
R/BL
GR
BR
MC
A
HUMIDI
STAT
W
C L
SH
GR
R/BL
6
9
11
4
7
10
RELA Y 2 K
13
R/O
R 0,5
12V COIL
BR
REL AY 3
R
O
TERMS
R/O 0,5
O
GR
B
BR
BOILER
DEMAND
SIGNAL
VOLT FREE
R 0,5
5
2
8
BR
6 9 11
4 7 10
K
3 1
R 0,5
O 0,5
R/W
COMP'CAP
P
R
C2
HARD KIC K CAP/REL AY
C3
R
W/BL
TIME R
R/O
D
21
4
3
DF VALVE
Y
B
B
B
B
R
R
W/R
230V COIL
6 9 B
4 7 A
RELA Y 1
B
BR R
K
B
TRANSFORMER
T
230V
12V
O
BR
B
P
FAN MOTOR DH66
R/O
R
BL
GR
BR
G/Y
B
BL
MV
L.P.H.W VALVE
GR
O
B
BR
Y
IF FITTED
GR LINK
B
B
BR
O
GR
G/Y
LP
SWITCH
ELECTRIC BOX OUTLINE
CIRCUIT DIAGRAM
MV
CYCLE
12V SIDE
6 mins
HP LP D
S1
T
N(L2)
CO NTINUOUS
C1
SH
REMOTE
AIR STAT
BOILER DEMAN D
SIGNAL
(V OLT FREE)
L. P.H. W V A LV E WHEN FITTED
Y
6
R1 K
4
A B
A
Y
C3 HARD START
V
U
X
MC
C2
C4
12V AC REMOTE
HUMIDISTAT
R2 K
10 11
7
4
1
1
L(L1)
1
2
3 4
8
5
2
7
4
1
10
11
R3
K
9
6
3
12VAC
SH HUMIDISTAT HYGROSTAT HYGROSTAT
FT DEFROST THERMOSTAT VEREISUNGSSCHUTZTHERMOSTAT THERMOSTAT DE DEGIVRAGE
TH LPHW THERMOSTAT PWW-STAT THERMOSTAT LPHW
S1 FAN MODE SWITCH GEBLASESCHALTER SELECTEUR DE MODE DU VENTILATEUR
HP HIGH PRESSURE SWITCH HOCHDRUCKSCHALTER REINITIALISATION DEFAUT HAUTE PRESSION
LP LOW PRESSURE SWITCH NIEDERDRUCKSCHALTER REINITIALISATION DEFAUT BASSE PRESSION
D DELAY TIMER VERZOGERUNGSRELAIS TEMPORISATEUR
MC COMPRESSOR MOTOR KOMPRESSORMOTOR COMPRESSEUR
K RELAY RELAIS RELAIS
MV FAN MOTOR VENTILATORMOTOR MOTEUR DU VENTILATEUR C2 COMPRESSOR CAPACITOR KONDENSATOR KOMPRESSOR CONDENSATEUR DU COMPRESSEUR C1 FAN CAPACITOR KONDENSATOR VENTILATOR CONDENSATEUR DU VENTILATEUR C3 HARD KICK CAP/RELAY HARTSTART KONDENSATOR COND./RELAI DE DEMARRAGE C4 FAN SPEED CAPACITOR K ONDENSA TO R V ENTIL A TORGESCHW INDIGKEIT CONDENSA TEUR D' A CCEL ERA TION DU V ENTILA TEUR
Y SOLENOID VALVE MAGNETVENTIL VANNE ELECTROMAGNETIQUE A DEFROST THERMOSTAT/TIMER ABTAUTHERMOSTAT/-UHR THERMOSTAT DE DEGIVRAGE TEMPORISE T TRANSFORMER TRANSFORMATOR TRANSFORMATEUR
BL BLACK SCH WARZ N OIR
B BLUE BLAU BLEU
BR BROWN BRAUN MARRON GR GREY GRAU GRIS
O ORANGE ORANGE ORANGE
P PINK ROSA ROSE
R RED ROT ROUGE
WWHITE WEIB BLANC
V VIOLET VIOLETT VIOLETTE
GR GREEN GRUN VERT
G/Y GREEN/YELLOW GRUN/GELB VERT/JAUNE

Page 16
1
ALL WIRING 1mm UNLESS STATED
D490852
WIRING DIAGRAM
LABEL D490952 ISS1
DH44/66AP TTW44/66AP
1 --- SBH 21:09:O5 NTS
RESISTANCE HEATERS
C4
CIRCUIT DIAGRAM
N(L2)
C1
1
10
11
9
7
4 6
6 mins
HP
LP
D
K
SH
FT
S1
MV
TC 1 3
DH44/66
CYCLE CONT'
TC
DH66 ONLY
RH
C3
C2
HARD START
R1
R2
L(L1)
12V SIDE
X
U
V
MC 4 6(7)
A B
K
T
REMOTE CONTROL
INTERFACE
BL B BR GR O P R W G/Y GREEN/YELLOW
WHITE RED PINK ORANGE GREY BROWN BLUE BLACK SCHWARZ
BLAU BRAUN GRAU ORANGE ROSA ROT WEIB GRUN/GELB
NOIR BLEU MARRON GRIS ORANGE ROSE ROUGE BLANC VERT/JAUNE
V VIOLET VIOLETT VIOLETTE G GREEN GRUN VERT
DIMS
APPD
ALL SHARP EDGES AND BURRS TO BE REMOVED
ISS
CALOREX HEAT PUMPS LTD
U.C.C.
MATERIAL FINISH INSPECTION
TITLE CONT' DRAWN DATE SCALE
LEVEL
C4 FAN SPEED CAPACITOR KONDENSATOR VENTILATORGESCHWINDIGKEIT CONDENSATEUR D' ACCELERATION DU VENTILATEUR SH FT S1 HP LP D K MC MV C2 C1 Y A
HUMIDISTAT
DEFROST THERMOSTAT
FAN MODE SWITCH
LOW PRESSURE SWITCH
DELAY TIMER
RELAY
COMPRESSOR MOTOR
FAN MOTOR
COMPRESSOR CAPACITOR
FAN CAPACITOR
SOLENOID VALVE
DEFROST THERMOSTAT/TIMER
HIGH PRESSURE SWITCH
T TRANSFORMER C3 HARD KICK CAP/RELAY
RH TC
RESISTANCE HEATER
THERMAL CUTOUT
HYGROSTAT
VEREISUNGSSCHUTZTHERMOSTAT
GEBLASESCHALTER
HOCHDRUCKSCHALTER
NIEDERDRUCKSCHALTER
VERZOGERUNGSRELAIS
RELAIS
KOMPRESSORMOTOR
VENTILATORMOTOR
KONDENSATOR KOMPRESSOR KONDENSATOR VENTILATOR
MAGNETVENTIL
ABTAUTHERMOSTAT/-UHR
TRANSFORMATOR
AUTOM. START KAPAZITOR
ELEKTROHEIZUNG
UBERHITZUNGSSCHUTZ
HYGROSTAT
THERMOSTAT DE DEGIVRAGE
SELECTEUR DE MODE DU VENTILATEUR
TEMPORISATEUR
RELAIS
COMPRESSEUR
MOTEUR DU VENTILATEUR
CONDENSATEUR DU COMPRESSEUR CONDENSATEUR DU VENTILATEUR
VANNE ELECTROMAGNETIQUE
THERMOSTAT DE DEGIVRAGE TEMPORISE
TRANSFORMATEUR
COND./RELAI DE DEMARRAGE
RESISTANCE DE CHAUFFAGE
PROTECTION THERMIQUE
REINITIALISATION DEFAUT HAUTE PRESSION REINITIALISATION DEFAUT BASSE PRESSION
DRAWING CHANGE DIMS
APPD
DO NOT SCALE PRINT
C/N APPD DATE
MATERIAL FINISH INSPECTION
TOLERANCE UNLESS SPECIFIED TITLE SHT No CONT' DRAWN DATE SCALE
R
DRG No.
LEVEL
HOLES TO BS 4500 E12
C
D490852
Y
BR
R
G/Y
O
BL
B
FAN MOTOR DH44
MV
GR
W
INSULATE UNUSED
LEADS FOR SAFETY
R R/O
B BL G/Y
3rd ANGLE PROJECTION
IF IN DOUBT ASK DRG No.
BR 2,5
B
O/BL R/BL
COMPRESSOR
U
V
X
B
G/Y
BR
P
EARTH STUD
G/Y
B
BR
E
N (L2) L (L1)
TERM'BLOCK
ROCKER SWITCH
BR
O/BL
O/BL
BR
SWITCH
W
WALL PANEL
G/Y
R/BL
(GRO)
O P
REMOTE
CONTROL
INTERFACE
MC
O
BR CONT'
CYCLE
WHITE SILICON (2.5)
B
K
P
R/BL
BR
B
DEHUMIDI
STAT DF
STAT
W
W/BL
TIMER
6 9
B
4 7
A
RELAY 1
BR
B
B
COMP'
CAP
HARD START
P
R
BR
C L
R/O
BR R
P
O/BL
O
P BR
O/BL
B
TRANSFORMER
12V COIL
RELAY 2
4 6 7 9
10 11
BUTT CONNECTOR
BR
RED SILICON (2.5)
BR 2,5
230v
SH FT
D
C2 C3
K
T
1 3
BR
O
HP LP
SWITCH
R
R/O
RESISTANCE HEATERS
DH66 ONLY
AUTO RESET MANUAL RESET
THERMAL CUTOUTS
DH44/66
WHITE SILICON (2.5)
GR BR
TERM
BLOCK
R
R/O
GR
LINK
B
BL
G/Y BL B
FAN MOTOR DH66
MV
C1
FAN
CAP 2uF
G/Y
R/BL
BL
C4
FAN
SPEED
CAP 7uf
ELECTRIC BOX OUTLINE

Page 17
1 AS DRAWN
D490853
WIRING DIAGRAM
DH44/66AXP
1 --- SBH 21:09:05 NTS
RESISTANCE HEATERS
DIMS
APPD
ISS
CALOREX HEAT PUMPS LTD
U.C.C.
MATERIAL FINISH INSPECTION
TITLE CONT' DRAWN DATE SCALE
LEVEL
DRAWING CHANGE DIMS
APPD
DO NOT SCALE PRINT
C/N APPD DATE
MATERIAL FINISH INSPECTION
TOLERANCE UNLESS SPECIFIED TITLE SHT No CONT' DRAWN DATE SCALE
R
DRG No.
LEVEL
HOLES TO BS 4500 E12
C
BL B BR GR O P R W G/Y GREEN/YELLOW
WHITE RED PINK ORANGE GREY BROWN BLUE BLACK SCHWARZ
BLAU BRAUN GRAU ORANGE ROSA ROT WEIB GRUN/GELB
NOIR BLEU MARRON GRIS ORANGE ROSE ROUGE BLANC VERT/ JAUNE
V VIOLET VIOLETT VIOLETTE G GREEN GRUN VERT
C4 FAN SPEED CAPACITOR KONDENSATOR VENTILATORGESCHWINDIGKEIT CONDENSATEUR D' ACCELERATION DU VENTILATEUR MC MV C2
C1
Y A
COMPRESSOR MOTOR
FAN MOTOR
COMPRESSOR CAPACITOR
FAN CAPACITOR
SOLENOID VALVE
DEFROST THERMOSTAT/TIMER
KOMPRESSORMOTOR VENTILATORMOTOR
KONDENSATOR KOMPRESSOR KONDENSATOR VENTILATOR
MAGNETVENTIL
ABTAUTHERMOSTAT/-UHR
COMPRESSEUR
MOTEUR DU VENTILATEUR
CONDENSATEUR DU COMPRESSEUR CONDENSATEUR DU VENTILATEUR
VANNE ELECTROMAGNETIQUE
THERMOSTAT DE DEGIVRAGE TEMPORISE
T TRANSFORMER TRANSFORMATOR TRANSFORMATEUR C3 HARD KICK CAP/RELAY COND./RELAI DE DEMARRAGEAUTOM. START KAPAZITOR
RH TC
RESISTANCE HEATER
THERMAL CUTOUT
ELEKTROHEIZUNG
UBERHITZUNGSSCHUTZ
RESISTANCE DE CHAUFFAGE
PROTECTION THERMIQUE
HYGROSTAT
THERMOSTAT DE DEGIVRAGE
SELECTEUR DE MO DE DU VENTILATEUR
REINITIALISATION DEFAUT HAUTE PRESSION REINITIALISATION DEFAUT BASSE PRESSION
TEMPORISATEUR
RELAIS
THERMOSTAT LPHW
HYGROSTAT
VEREISUNGSSCHUTZTHERMOSTAT
PWW-STAT
GEBLASESCHALTER
HOCHDRUCKSCHALTER
NIEDERDRUCKSCHALTER
VERZOGERUNGSRELAIS
RELAISRELAY
DELAY TIMER
LOW PRESSURE SWITCH
HIGH PRESSURE SWITCH
FAN MODE SWITCH LPHW THERMOSTAT
DEFROST THERMOSTAT
HUMIDISTATSH
FT TH S1 HP LP D K
C3
HARD START
R1
R2
C4
CIRCUIT DIAGRAM
1
12V SIDE
REMOTE CONTROL
INTERFACE
4 6(7)
A B
K
X
U
V
MC
6 mins
HP
LP
D
K
A
T
SH
C2
C1
MV
Y
N(L2) L(L1)
10 11
9
7
4 61 3
CYCLE CONT'
S1
TC
DH44/66
2
1
3 4
TC
DH66 ONLY
RH RH
ALL WIRING 1mm UNLESS STATED
Y
BR
R
G/Y
O
BL
B
FAN MOTOR DH44
MV
GR
W
INSULATE UNUSED
LEADS FOR SAFETY
R R/O
B BL G/Y
IF IN DOUBT ASK DRG No.
LABEL D490953 ISS1
D490853
B
BR
B
B
G/Y
B
B
O/BL
R/BL
W
K
1 3
W
12V COIL
4 6
7 9
10 11
O
BR 2.5
RELAY 2
R/BL
P
230v
P
O
GR BR
TERM
BLOCK
R
R/O
GR
LINK
B
BL
G/Y
BL B
FAN MOTOR DH66
MV
R/BL
BL
C4
FAN
SPEED
CAP 7uf
C1
FAN
CAP 2uF
G/Y
BUTT
CONNECTORS
COMPRESSOR
U
V
X
B
G/Y
R
P
EARTH STUD
G/Y
G/Y
B
BR
ROCKER SWITCH
W/R
BR
DF STAT/
TIMER
DH STAT
HP
SWITCH
LP
SWITCH
W
W
R
R/O
W/BL
TIMER
6 9
B
BR
COMP' CAP HARD START
P
R
R
FAN
DIAPHRAGM
G/Y
R/O
BR
BR
O/BL R/BL
BR
AUTO
RESET
THERMAL CUTOUTS
MANUAL
RESET
R/BL
W/R
B R
12
3 4
MC
A
SH C2 C3D
BR
O
CYCLE
CONT'
RED SILICON (2.5)
WHITE SILICON (2.5)
WHITE SILICON (2.5)
DH66 ONLY
DH44/66
RESISTANCE HEATER
E
N (L2) L (L1)
TERM'BLOCK
(GRO)
REMOTE
CONTROL
INTERFACE
DF VALVE
B
R
Y
4 7
A
RELAY 1
B
B
R
K
BR
BR 2.5
TRANSFORMER
T
12v
BR 2.5
ELECTRIC BOX OUTLINE

Page 18
PHONE [phone] FAX [phone]
Email [email protected] Web Site http://www.calorex.com
8.0 WARRANTY CONDITIONS
The following exclusions apply to the Warranty given by Calorex Heat Pumps Ltd.
No claims will be accepted if :-
1. The dehumidifier is incorrectly sized for the application.
2. The dehumidifier is installed in any way that is not in accordance with the current procedures as defined
by Calorex Heat Pumps Ltd.
3. The dehumidifier has been worked upon or is adjusted by anyone other than a person authorised to do so
by Calorex Heat Pumps Ltd.
4. The air flow through the machine is outside the specified limits.
5. The water flow through the machine is outside the specified limits.
6. The water pH level and/or chemical balance is outside the following limits:-
Acidity pH: pH 7·4 ± 0·4
Total Alkalinity, as CaCO3ppm 80-120
Total Hardness, as CaCO3ppm 100-300
Total Dissolved Solids: ppm MAX 3000
Maximum Salt Content: wt/wt 6%
Free Chlorine Range: ppm 1·0 - 3·0
Superchlorination ppm MAX 30ppm for MAX 24hrs
Bromine: ppm 2 - 3
Baquacil: ppm 25 - 50
Ozone: ppm 0·8 - 1·0
*Maximum Copper Content: ppm MAX 2
*Aquamatic Ionic Purifier ppm MAX 2
*Tarn Pure Purifier ppm MAX 2
*Sherwood Purifier. ppm MAX 2
7. The dehumidifier has suffered frost damage.
8. The electrical supply is insufficient or in anyway incorrect.
Note:- The Reply Paid Warranty Registration Card must be returned, to ensure that the correct warranty is
given. If you do not find a Registration Card with your Dehumidifier please contact the Calorex Service
Department giving your name, address and serial number of your Dehumidifier. A card will be sent to you for
completion.
Please give MODEL NUMBER and SERIAL NUMBER of your Dehumidifier when making technical or
service enquiries. This will assist in correct diagnosis and ensure service can provide with a minimum delay.
IF IN DOUBT PLEASE ASK.