PB Heat ECT Series, EC Series manual Piping And Controls, E.Tankless Heater Or Coverplate

PIPING AND CONTROLS

E.TANKLESS HEATER OR COVERPLATE

1.If a tankless coil is used (item 13 or 17), install as pictured. On water boilers, install in opening in front section. On steam boilers, install in opening in rear section. For suggested piping of tankless water heaters refer to Figures 3.6 and 3.7.

Install anti-scald device in hot water DANGER supply piping. Water temperature

above 125°F can cause severe burns instantly or death from scalds.

X1020R and X1082R coils installed in NOTICE EC/ECT-03 & 04 packaged boilers

have internal flow controls installed. Do not use external flow controls with these coils.

Figure 3.6: Tankless Coil Piping, Water Boiler

2.If not using a tankless coil, cover the heater opening with cover plate (item 12 or 16).

Be sure rubber gasket is in place NOTICE between cover plate or water heater

plate and boiler section.

3. See Table 3.2 for tankless coil ratings.

Table 3.2: Maximum Tankless Water

Heater Ratings

Heater No.	Capacity*	Boiler Series
	GPM
X1020	5	Series EC
X1020R
X1082	4	Series ECT
X1082R

*Water Heater ratings are based on intermittent demand -40°F to 140°F with 200°F Boiler Water.

Figure 3.7: Tankless Coil Piping, Steam Boiler

8