NTI TRINITY Ts80, Инструкция по установке и эксплуатации

Страница: 10 / 76

Trinity Ts │
Installation and Operation Instructions Ts Series
10
Mandatory Pre-commissioning Procedure for Plastic Venting
Do not apply power to the boiler prior to Step 4 in the Mandatory Pre-commissioning
Procedure for Plastic Venting.
1) Working with the power turned off to the boiler, completely install the vent and air intake system, securely
cementing joints together. If possible, allow primers/cements to cure for 8 hours before firing the burner. If
curing time is less than 8 hours, proceed with Steps 2 through 6.
2) Maintain the boiler gas supply shut-off valve in the off position.
3) Disconnect electrical leads to the Hot Surface or Spark Igniter. Ensure the cables are placed in a fashion
where they will not arc to ground or other conductor.
Spark Igniter Cable
- Maintain a minimum 2” separation between spark igniter circuit and
conductors. Failure to follow instructions may result in component failure, injury or death.
4) Turn power on to the boiler and apply a heat demand.
5) Allow for 3 complete trials for ignition, consisting of pre and post purge of the combustion blower, until an
ignition lockout occurs. Repeat the process two more times (i.e. 9 complete ignition sequences in total).
6) Turn power off and reconnect the electrical leads to the Igniter.
Vent/Air-Intake Pipe Length Determination
Use Table 4-4 to determine the maximum pipe length that can be used. The table calculates sweep, 90º elbows,
and 45º elbows at 5 equivalent feet [1.52 m] each. Length calculations need not include the three 90
°
elbows of
the exterior vent piping (two outlet, one inlet).
Example
:
A Ts80 can be installed with 105 equivalent feet [32 m] of air-intake piping and 105 equivalent feet
[32 m] of vent piping. See Table 4-4 for more details.
The length of one vent pipe (intake or exhaust) may not exceed the length of the other
vent pipe by more than 20 equivalent feet (6.1 m).
Table 4-4 Allowable Vent and Air-Intake Pipe Size and Lengths
Number of Elbows (90’s or 45’s) and Equivalent Feet [Meters]
Model No.
Pipe
Size
Gas
Length
ft. [m]
1 2 3 4 5 6 7 8 9
Trinity Ts80 3” or 4”
NG
& LP
105
[32]
100
[30.5]
95
[28.9]
90
[27.4]
85
[25.9]
80
[24.4]
75
[22.9]
70
[21.3]
65
[19.8]
60
[18.3]