Use a Spirit level to check
at e bracket is horizontal
Holes to secure bracket
to e wall
1. REMOVE FIXING SCREWS
2 HINGE COVER
AND LIFT AWAY
FIG 1
HEAT RECOVERED
WATER OUT
HEAT RECOVERED
WATER IN
DH33 DH55
WATER FLOW
AS SHOWN
15mm STUBS
WATER FLOW
AS SHOWN
15mm STUBS
100M MAX
1mm SQ CABLE
Remote Air Stat
(Not supplied)
Remote Humidistat
(Not supplied)
Remote On/Off
Switch
(Not supplied)
REMOTE THERMOSTAT
REMOTE HUMIDISTAT
REMOTE ON/OFF
FIG 2 WIRING DIAGRAM
HEALTH & SAFETY WARNING
As e Heat Pump contains electrical and rotational equipment, it is recommended at ONLY competent persons carry out any work on is type of machine
(see guarantee). Isolate electrically before entering machine or removing panels.
This appliance is not intended for use by persons (including children) wi reduced physical,sensory or mental capabilities, or lack of experience and
knowledge, unless ey have been given supervision or instruction concerning use of e appliance by a person responsible for eir safety.
Children should be supervised to ensure at ey do not play wi e appliance
INSTALLATION INSTRUCTIONS
MODELS DH30/33/50/55/A/AX/ARH/AP/LPHW
INSTALLATION - WALL MOUNTING ALL MODELS
1. Remove machine from packaging and locate fixing bracket.
2. Place bracket on wall in required position. Drill one hole in e wall Ø 6.0mm
(no. 10) by 60mm deep. Use e wall plug provided to fix e bracket to e
wall. Using e bracket as a template mark positions for oer holes. Using
a spirit level check at e bracket is level. Drill holes Ø 6.0mm (no. 10) by
60mm deep. Insert wall plugs and screw bracket in place. Note. The wall plugs
provided wi e dehumidifier are suitable for fixing to a load bearing wall
3. Check all screws are tight.
4. The dehumidifiers are heavy and may require two or ree people to li e
dehumidifier on to locating lugs on wall bracket.
5. Remove front cover as shown FIG 1.
6. Locate pipe from drip tray and run it away to waste. A short leng of 10mm
pipe is provided which should be led into a fixed waste pipe. Two pipe outlet
holes are provided, one to rear of unit, one below e unit.
7. Electrical supply to e unit must be sized according to data on serial number
label paying special attention to I.E.E. regulations latest edition regarding e
special conditions governing electrical supply to machines in potentially damp
areas. The machine should be installed in accordance wi EMC2004/108/EC.
8. The electrical supply should be connected to e terminal block mounted on
e side of e bracket supporting e compressor. Brown/red to 'live', blue/
black to neutral and ear to e stud provided.
9. Fan mode switch can be set to cycle fan when humidistat senses demand
but should be set to continuous to promote good air circulation and reduce
condensation. Note at on models fitted wi LPHW e fan(s) will start
automatically whenever ere is an air heating demand. On 'X' models fan(s)
will stop during defrost cycle.
10. The humidity of e environment is controlled by a humidity sensor. The dial
for is is located on e bottom of e dehumidifier, on e le hand side for a
DH30/33 or e right hand side for a DH50/55. Turning e dial anti-clockwise
gives maximum dehumidification.
'RH' MODEL WITH HEAT RECLAIM TO WATER
11. Connect water circuit piping to 15mm stubs projecting from side of machine
as per diagram below:
12. It is recommended at isolating valves are fitted to enable isolation of e
machine in e event of service.
Complete water circuit as per diagrams overleaf.
(a) Circulating pump must be sized to take into account e design flow
rate of e machine plus e water system resistance.
For Pressure drops see data section.
MODELS WITH LPHW FITTED
13. Connect water circuit piping to 15mm stubs projecting from side of
machine as per diagram below:
14. It is recommended at isolating valves are fitted to enable isolation of
e machine in e event of service.
Complete water circuit as per diagrams overleaf.
(a) Circulating pump must be sized to take into account e design flow rate
of e machine plus e water system resistance.
For Pressure drops see data section.
12V REMOTE HUMIDISTAT, THERMOSTAT, &
REMOTE ON/OFF CONNECTIONS
(THESE OPTIONS NEEDS TO BE SPECIFIED WHEN
ORDERING DEHUMIDIFIER)
15. Remove cover from dehumidifier as shown in Fig 1.
REMOTE HUMIDISTAT
Remove link wire from mains in terminal block marked ‘Remote Humidistat
and connect remote humidistat as shown in FIG 2, ensure dial on internal
humidistat is set fully anti-clockwise (ie maximum dehumidifcation).
REMOTE ON/OFF
When connecting e Remote On/Off Switch remove e link from e mains
in terminal block marked Remote On/Off. Connect e switch as shown in
FIG 2.
SD139451 ISSUE 21
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