Crestron electronic 1.5 Manual De Usuario

Installation & Operation Manual

Crest boilers may be common vented; however, the following 
criteria MUST BE followed:

1.  Only Crest boilers may be connected to the common 
 

vent.  DO NOT mix other manufacturer’s appliances or 

 

other Lochinvar models.

2.  Crest boilers connected to the common vent must all be 
 

of the same size.

3.  Each Crest boiler must have a Lochinvar supplied flue 
 

damper installed (see Table 2D).

4.  Only vertical venting may be used when common venting 
 

Crest boilers.  Sidewall venting is not allowed.

5.  Crest boilers in a common vent must be connected and 
 

controlled with the integral Crest SMART TOUCH 

 Cascade.
 

a.  The Leader may be controlled through the Crest 

 

 

SMART TOUCH control through BMS (external 

 

 

0 - 10V signal), ModBus or its own internally 

  calculated 

set 

point.

 

b.  The Cascade (Members) must be controlled by the 

 

 

Crest Leader boiler using the efficiency optimized 

  Cascade.

For approved common vent sizing, contact the factory.

 WARNING

When Crest boilers are common vented, 
the criteria above MUST BE followed. 
Failure to follow all these requirements 
will result in severe personal injury, death, 
or substantial property damage.

FB1500

7"

DRH30000

FB2000

8"

DRH30001

FB2500

9"

DRH30002

FB3000

10"

DRH30003

FB3500

10"

DRH30003