8.2.2 Gas Valve - 100 Model Only
•
Lower the Electrical Tray.
•
Turn the Gas Cock off.
•
Pull off the electrical connector from the Gas
Valve.
•
Release the pilot feed tube.
•
Undo the four shoulder bolts at each end of
the valve.
TAKE CARE TO SUPPORT THE VALVE AS IT IS
RELEASED.
•
Replacement is the reverse.
•
When secure, attach a manometer to the
burner pressure tapping on the right hand
side of the valve.
•
The Pilot Adjuster is factory set.
Model 100W Only:
832.3 Sequence Controller
•
Remove the Electrical Tray.
•
Identify the CVI valve, the red pod beside it
contains the Sequence Controller.
•
Prise off the multiway connectors from the
CVI Sequence Controller pod.
•
Pull off the HT Lead from the Controller.
•
Pull the pod away, and replace.
•
Re-assembly is the reverse.
Fig 8:2.2
•
Turn on gas and electrical supply.
•
The gas valve slowly opens to its setting
ensure it has fully opened before adjusting.
•
Set burner gas pressure with the governor.
(see Technical Data inside of cover.)
8.2.4 CVI Valve
•
Remove the Electrical Tray.
•
Turn the Gas Cock off.
•
Pull off the red pod.
•
Pull off the two leads from the Modureg
solenoid.
•
Release the pilot feed tube (8mm AF).
•
Undo the two screws holding the valve lower
retainer.
•
Undo the gas cock.
•
Undo the four shoulder bolts and remove the
flange to the gas cock.
•
Release the CVI outlet connector, and
withdraw valve.
•
Re-assembly is the reverse.
CVI Pressure Set Up
•
Check Inlet pressure is at least 20 mbar
when operating.
•
Remove the grey cover.
•
Remove one of the yellow leads from the
Modureg and its grey plastic cover.
•
Attach a manometer to the outlet pressure
tapping.
•
Set to Hot Water Only, turn on a tap and
check burner gas pressure is 1.8 mbar.
Adjust the 9mm brass nut on the Modureg to
correct.
•
Replace the yellow lead and the boiler will go
to high fire, 11.3 mbar. Adjust with the nylon
7mm nut on the Modureg whilst pressing
down on its shaft.
•
Replace the grey cover.
•
Ensure the system controls are calling for
POOL demand and set a Pool temperature to
bring on the Heater. The Heater will fire at low
rate for 100 seconds. Adjust the small
potentiometer on the Driver board to 5.0 mbar.
•
After 100 seconds the boiler will go to high
fire, adjust the large potentiometer on the
driver board to the desired maximum output,
factory setting 11.3 mbar.
For the Pool Thermostat Only:
•
Remove the Control Knobs.
•
For the 100 Control Board Only:
•
Release the Overheat Reset Switch.
•
Slide out the board to be changed.
•
Re-assembly is the reverse.
NOTE
Replace the rear restraint to the Pool
Thermostat board before re-fitting the board
connectors.
For the 100W Control Board Only:
•
Adjust the burner pressures. See CVI
PRESSURE SETUP in CVI Valve section
below.
29
100 Gas Condensing Pool Heater
20/10/03
IN
OUT
INLET PRESSURE POINT
OUTLET PRESSURE POINT
100W
100
