Specifications

TM002 Integrity 18 & 20L Service Instructions REV: E
D.O.I: 7/11/2007
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled
23
Hot tap closed
Operation Flow Chart 3
G.I.S.V (SVO) off
or
[S.V. 1-2 (SV1-2) off]
Flame current
detected less than
0.1uA?
YES
YES
Fan
motor speed
checked during
operation?
YES
NO
YES
Approx. 6 minutes later
P.G.F.R Valve at
minimum
4
5
Post Purge Shut Down Function
Water flow sensor off
Check gas cut off function by
alternating the closing order of
gas valves SVO and SV1-2 at
each shut down
Fan motor at
minimum
LED off
Fan motor at
minimum
C.I. Off
S.V. 1-2 (SV1-2)
failure
80 Flashing
8 seconds later
NO
G.I.S.V (SV0) failure
51 Flashing
G.I.S.V (SVO) off
or
[S.V. 1-2 (SV1-2) off]
P.G.F.R Valve off
Fan
motor current check
ok?
Fan off
YES
Abnormal combustion
NO
99 Flashing
Fan off
Isolate power
Locate and repair fault
Use procedure to
clear error code 99
S.V. 1 (SV1) off
S.V. 2 (SV2) off
G.I.S.V (SV0) off
Fan off
P.G.F.R valve off
Isolate power
Locate and repair fault
and restore power
10 seconds later
10 seconds later
Note: see page 20 for details on interpreting chart abbreviations.