11
LOW RATE
MEDIUM RATE
HIGH RATE
kW
MJ/h
Btu/h
kW
MJ/h
Btu/h
kW
MJ/h
Btu/h
INPUT
11.75
42.35
40,100
13.5
48.58
46,050
15.18
54.65
51,800
OUTPUT
8.79
31.65
30,000
10.26
36.92
35,000
11.72
42.2
40,000
Gas rate cv
1.08m
3
/h (38.4ft
3
/h)
1.24m
3
/h (44.1ft
3
/h)
1.40m
3
/h (49.8ft
3
/h)
1037Btu/ft
3
Burner setting
9.2mbar (3.7 in wg)
12.2mbar (4.9 in wg)
16.0mbar (6.4 in wg)
pressure (hot)
Main Injector
BRAY CAT 23/1050
18
250
300
350
400 450 ft
3
/min
0.12
0.14
0.17
0.19 0.21 m
3
/sec
AIR VOLUME
mbar in.wg.
0.625 0.25
0.50
0.20
0.375 0.15
0.25
0.10
0.125 0.05
RESIST
ANCE EXTERNAL
T
O HEA
TER
170V
180V
190V
200V
210V
Table 4
Main Burner Pressure Settings
Table 5
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 the 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 weekly for new houses).
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.
DISCONNECT
TERMINALS ‘17’ &’18’
Y
N
REPLACE FAN DELAY
CONTROL/LIMIT
SWITCH
REPLACE
ELECTRONIC MOD-
ULE
FAN CONTINUES TO RUN, OR CYCLES AFTER HEATING IS TURNED OFF
DOES
FAN
RUN ?
MAIN BURNER NOT CYCLING
(
ROOM TEMPERATURE TOO HIGH)
REPLACE
MULTIFUNCTIONAL
CONTROL
N
Y
REPLACE
ELECTRONICS
MODULE
DISCONNECT
MULTIFUNCTIONAL
CONTROL AT
TERMINAL 15
N
DOES
BURNER
GO
OUT?
DISCONNECT
THERMISTA-STAT
REPLACE
THERMISTA-STAT
Y
DOES
BURNER
GO OUT?