Raypak XTHERM 1505 - Manual (Page 4)

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Can be installed indoor or outdoors!
X
treme Versatility
1. High Voltage Wiring Box
120VAC connections.
2. Removable Air Filter
Easy access and easily removable for inspection and
replacement. 12”x20”high capacity filter is rated
MERV 8.
3. Direct Vent Capability
Every XTherm is direct vent capable. By installing an
optional vent pipe adapter and air plenum plug, your
XTherm is ready for direct vent.
3a. Outdoor Cover
If your job requires outdoor installation, an optional
air vent plug easily screws on to cover the direct vent
air intake. The combustion air will then be drawn from
inside the heater through screened plenum openings.
See photo above right.
4. Gas Inlet
The XTherm will operate at 100% full rate with gas
pressures as low as 4.0”w.c.
5. Water Outlet
6. Water Inlet
The XTherm can accept as low as 50°F continuous
inlet water temperature without damage to the pri-
mary heat exchanger.
7. Access Panel to Cold Run Pumps
Easily removable access panel even when unit is
plumbed in place. Provides full access to inspect and
service the Cold Run Pump system and condensate
drain switch.
8. Flue Outlet
Stainless steel Category IV compatible.
9. Condensate Drain
3/4”-NPT PVC connection for condensate removal.
Raypak offers condensate neutralizer kits that can be
plumbed between the heater and the drain.
Internal Air Intake