Gas Pressure - Superior Fireplaces DRL2000 Series Installation And Operation Instruction Manual

Innovative Hearth Products
DRL2000 & DRL3500 Series Direct-Vent Gas Fireplaces
BTU Input
Table 1 - Input Rate (BTU/HR), Gas Valves
Burner Model
DRL2035
DRL2045
DRL3535
DRL3545
DRL2055
DRL3555
Table 2 - Thermal Efficiency (%)
Burner Model
DRL2035
DRL2045
DRL3535
DRL3545
DRL2055
f i r e - p a r t s . c o m
DRL3555

Gas Pressure

Table 3 - Inlet Line Gas Pressures
Fuel
Natural Gas
Propane/LP
Test gauge connections are provided on the front of the millivolt gas control valve (identified IN for the inlet and OUT for
the manifold side). The control valves have a 3/8" (10 mm) NPT thread inlet and outlet side of the valve (Figures 1 & 1A).
Figure 1 - Electronic Gas Valve PF2
(from DFC Wire Harness)
Manifold (OUT)
Inlet (IN) Test Port
Orange Wire
(from DFC Wire
Main Gas Inlet
3/8" NPT
Side View
Natural Gas
High Rate Low Rate
15,000 13,000
18,000 14,000
18,000 12,000
23,000 16,000
23,000 19,000
28,000 19,000
Electronic
AFUE * P4
Natural Natural
68.9 63.64
70.7 67.11
69.2 65.11
66.9 62.4
69.4 62.7
67.7 62.4
Minimum
5" WC / (1.25 kPa)
11.0" WC / (2.74 kPa)
Green Wire
Test Port
Harness)
Propane/LP Gas
(Field Converted)
High Rate Low Rate
14,000 12,000
16,000 13,000
16,000 13,000
21,000 17,000
21,000 17,000
27,000 21,000
Electronic
AFUE * P4
Propane/LP Propane/LP
53.7 62.8**
56.6 64.5
55.3 63.1**
61.9 65
64.8 64.4
61 63.4
Maximum
10.5" WC / (2.61 kPa)
13.0" WC / (3.23 kPa)
Connect GTMS
wire harness
Pressure
Regulator
Tower
Yellow Ground Wire
(from DFC Wire
Harness)
NOTE: *Propane/ LP models are available through
Field conversion only
Based on CSA P.4.1-2015
* AFUE is a measurement of the US Department of
Energy,
** Complies with CSA P.4.1-2015 "Testing Method
for Measuring Annual Fireplace Efficiency. P4
(EnerGuide) is a measurement of the Canadian Office
of Energy Efficiency. Efficiencies are based on Normal
input operation.
NOTE: **CPI disabled per addendum instructions
900949-00 (provided with this appliance).
Table 4 - Manifold Outlet Gas Supply Pressure
Fuel
Natural Gas
Propane/LP
Figure 1A - Electronic Gas Valve PF1
Inlet 3/8" NPT
Outlet
Pressure
Tap
Inlet
Pressure
Tap
General Information
900994-00K, 07/2021
Pressure
3.5" WC / (0.87 kPa)
10.0" WC / (2.49 kPa)
Outlet 3/8"
NPT
Pilot Outlet
7/16" UNS
9