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12.7
To assemble the gas boiler
CAUTION
▪ When fitting the various seals, check them for damage,
hardening, tears or hairline tears, and/or discolouration.
Replace them when necessary.
▪ Check the position of the seals.
▪ Failure to fit the sensors S1 and/or S2 or to fit them
correctly can result in serious damage
▪ Warranty will be void by NOT correctly replacing the
removed parts.
1 Check the correct position of the seal around the front cover.
2 Place the front cover on the heat exchanger and secure by
using the socket head screws plus serrated lock washers.
3 Tighten the socket head screws equally hand-tight by turning
the hex key clockwise.
4 Fit the gas connection below the gas valve.
5 Fit the connector to the fan and the ignition unit to the gas
valve.
6 Fit the condensate drain by sliding on the exchanger outlet
stump with the condensate trap connection still in front of the
base tray.
a
a
Base tray
7 Turn the condensate drain to the left and push it downwards
into the condensate trap connection. Make sure in doing this
that the back of the condensate drain pan comes to rest on the
lug of the back of the base tray.
CHYHBH05+08AA + EHYKOMB33A
Daikin hybrid for multi heat pump – heat pump module
4P471761-1A – 2017.10
8 Fill the condensate trap with water and fit it to the connection
below the condensate drain pan.
9 Slide the flue pipe, turning it counterclockwise, with the top
around the flue adapter into the top cover.
10 Insert the bottom into the condensate drain pan and tighten the
coupling nut clockwise.
11 Open the gas tap and check the gas connections below the gas
valve and on the mounting bracket for leakage.
12 Check the space heating and the water pipes for leakages.
13 Turn on the main power supply.
14 Turn on the appliance by pushing on the
15 Check the front cover, the fan connection on the front cover and
the flue pipe components for leakage.
16 Check the gas/air adjustment.
17 Fit the casing, tighten the 2 screws on the left and right side of
the display.
18 Close the display cover.
19 Check the heating and hot water supply.
13
Troubleshooting
13.1
Overview: Troubleshooting
This chapter describes what you have to do in case of problems.
It contains information about:
▪ Solving problems based on symptoms
▪ Solving problems based on error codes
Before troubleshooting
Carry out a thorough visual inspection of the unit and look for
obvious defects such as loose connections or defective wiring.
13 Troubleshooting
button.
Installer reference guide
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Table of Contents
Troubleshooting
