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SD462450 ISSUE 5

Installation instructions

MODELS DH 15AX - DH TTW 15AX 

Health & safety warnings

INSTALLATION - MODEL DH 15AX - DH TTW 15AX

1.  Remove machine from packaging and locate fixing bracket.
2.  Locate bracket on wall in required position. Drill hole Ø6.0mm (no.10) 

by 60mm deep as shown at ‘A’. Insert wall plug and screw bracket in 

place.

3.  Set bracket level with spirit level as shown, drill through and fix it at ‘B’ 

with wall plug and screw.

4.  Ensure bracket still level, tighten screws ‘A’ and ‘B’, finally drill andfix 

as above at position(s) ‘C’ & ‘D’.

5.  Check all screws are tight.
6.  Remove machine cover, retaining all fixings.
7.  Lift dehumidifier on to wall bracket and mark fixing holes.
8.  Drill holes and fit wall plugs as stage 2.
9.  Fit dehumidifier to wall.
10.  The electrical supply to the unit must be sized according to the data 

on the serial number label paying special attention to I.E.E. regulations 

latest edition regarding the special conditions governing electrical 

supply to machines in potentially damp areas.

11.  The electrical supply should be connected to the terminal block 

mounted on the bracket supporting the compressor. Brown/red to 

‘live’, blue/black to neutral and earth to the stud provided.

12.  Whilst not mandatory, the Dantherm Group recommend that an 

R.C.C.B. is always fitted or that the supply is to local electricity authority 

recommendations, and that all ducting is bonded in accordance with 

these regulations.

13.  The supply to the machine should incorporate fuses or motor 

rated circuit breakers (Type C) to specified rating, H.R.C. fuses are 

recommended. An isolator must be fitted within clear view and not 

more than 2 metres away. The isolator must have a minimum 3mm air 

gap in the off position.

14.  Locate pipe from drip tray and run it away to waste. 

A short length of 10mm pipe is provided which should be led into a 

fixed waste pipe.

15.  Set Humidistat to, “drier”, point on knob provided.

Please leave the instructions for the user.

A

C

B

D

825

387

181

181

38

38

268

26

VIEW WITH COVER SHOWN IN SECTION

        AND COMPONENTS REMOVED

320

363

SELF-ADHESIVE

BASE 

FILTER

207mm (WIDE) x 290 (HIGH) APERTURE 

IN WALL FOR GRILLE

DZUS FASTENER

DIMENSIONS FOR TTW15AX DUCTING

As the Heat Pump contains electrical and rotational equipment, it is recommended that ONLY competent persons carry out any work on this type of 

machine (see warranty)

.

ISOLATE ELECTRICALLY BEFORE ENTERING MACHINE OR REMOVING PANELS.

This appliance is not intended for use by persons (including children) with reduced physical,sensory or mental capabilities, or lack of experience and 

knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children 

should be supervised to ensure that they do not play with the appliance.
The Calorex TTW units are designed for installation in a heated room, adjacent to the pool room.

MACHINE OPERATION
MAINTENANCE

a. 

Ensure air inlet/outlets are kept clear and clean.

b. 

Wipe clean with damp cloth.

TTW MACHINES

Fit grilles, supplied with the Heat Pump, in position required. Self-

adhesive base supplied with the unit to be fitted to the grill frame 

as shown in the diagram below. Filters to be fitted to grille. Isolate 

machine electrically before entering machine or removing panels.

MACHINE NOT RUNNING AT ALL
CHECK THE FOLLOWING:

1.  Is supply switched on.
2.  Is supply fuse healthy.
3.  Check air inlet and outlet for obstructions.
4.  If, after carrying out the above and waiting 1 hour, the machine does 

not start, phone for service.

MACHINE FAN ONLY RUNNING

5.  Check air inlet and outlet for obstructions, if after 30 mins the machine 

has not restarted phone for service.

WATER LEAKING FROM BASE OF UNIT

6.  Check connection from machine to drain for blockages and 

clear accordingly. Check fall is adequate.

7.  Check that machine is level both vertically and horizontally.

The user check list should be carried out before initiating a service 

call.

Do not attempt to interfere with any internal control settings as these 

have been factory calibrated and sealed. 

If in doubt or if advice is required, contact the Dantherm group UK 

Service Department. by calling (01621) 856611 (option 4) or  

email [email protected].

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