LOW RATE
HIGH RATE
kW
MJ/h
Btu/h
kW
MJ/h
Btu/h
INPUT
9.01
32.45
30,750
10.22
36.8
34,880
OUTPUT
6.44
23.21
22,000
7.33 26.38
25,000
Gas rate
cv
0.80m
3
/h (28.3ft
3
/h)
0.9m
3
/h (31.9ft
3
/h)
1037Btu/ft
3
Burner setting
11.5mbar (4.6 in wg)
15.2mbar (6.1 in wg)
pressure (hot)
Main Injector
BRAY CAT 960/480. 1.88 mm dia.
Table 2
Main Burner Pressure Settings
Table 3
Fan Performance Curve
7.
INSTRUCTIONS FOR USERS
7.1
If the building is unoccupied, ensure that the Instructions for User are left taped to the air heater for the User, and
Installation Instructions are left at or near the air heater for use on future service calls.
7.2
If the building is occupied, hand the User Instructions over and ensure the User understands:
7.2.1
How to ignite the pilot and burner.
7.2.2
How to operate the Thermista-stat/room thermostat, time and heater ON/OFF switch and summer air circulation
switch, and that the time control must be reset following a power failure.
7.2.3
How to extinguish the pilot and main burner at the Multifunctional control, and switch off electrical supply to the
heater.
7.2.4
How to remove, clean and refit the air filter and at what intervals (i.e. fortnightly, or for new houses, weekly).
7.2.5
How to control the heating system by opening and closing warm air outlets.
7.2.6
How to obtain summer air circulation.
7.2.7
That the air grilles on the heater or heater compartment; grilles and ventilators in the walls, windows or doors of
the building must not be obstructed.
7.2.8
That the heater must be serviced at least once a year by a competent person to ensure efficient and safe operation.
7.2.9
That the red instructions for safe use have been pointed out and understood.
7.2.10 That expert help must be obtained if persistent failure of the pilot burner occurs.
9
16
100
150
200
250
300 ft
3
/min
0.05
0.07
0.09
0.12 0.14 m
3
/sec
AIR VOLUME
mbar in.wg.
0.375 0.15
0.25
0.10
0.125 0.05
FAN OPERATES, BUT BURNER CYCLES BEFORE REQUIRED TEMPERATURE IS REACHED
DOES
THE BURNER
CONTINUE TO
CYCLE?
REPLACE
THERMISTA-STAT
N
CHECK RETURN AIR PATH
FOR RESTRICTIONS
Y
CHECK TEMPERATURE RISE.
IF LESS THAN 60
O
C, LINK
TERMINALS ‘13’ & ‘14’
Y
DOES
THE BURNER
CONTINUE TO
CYCLE?
DOES
THE BURNER
CONTINUE TO
CYCLE?
Y
N
REPLACE FAN DELAY/
LIMIT CONTROL
REPLACE
ELECTRONIC
MODULE
DISCONNECT THERMISTA-STAT
AT TERMINALS ‘7’ & ‘8’, LINK
TERMINALS ‘7’ & ‘TEST’
DO NOT LINK ‘7’ &’8’
N
CHECK FOR
VOLTAGE AT
TERMINALS
30 & 31
MAIN BURNER ON, BUT FAN NOT RUNNING
Y
N
BRIDGE OUT
FAN DELAY AT
TERMINALS 21 & 22
Y
REPLACE FAN
DELAY/LIMIT
CONTROL
REPLACE
ELECTRONICS
MODULE
DISCONNECT FAN LEADS
FROM CAPACITOR, AND
CONNECT DIRECT TO FAN
DOES
FAN
START?
DOES
FAN
START?
REPLACE
CAPACITOR
Y
REPLACE
FAN
N
