
7
Heat & Glo •
PHFR-PRIMO-48, PHFR-PRIMO-60, PHSI-PRIMO
Instructions • 2560-970 Rev. D • 2/19
Clearances to Combustibles - Passive Heat Open Top Discharge (PHSI-PRIMO)
Single-Sided or See-Through
B
A
C
D
E
CEILING
Figure 4.2 Clearances to Combustibles-PRIMO48, PRIMO60
with Passive Heat Open Top Discharge
MINIMUM FRAMING DIMENSIONS
A
B
C
D
Width of
Opening
Clearance
Opening
to Top of
Chase
Clearance
Opening to
Ceiling
Clearance
Bottom of Appliance
to Ceiling
PRIMO48
PRIMO48ST
Inches
10-3/16
58-1/16
60-1/16
83-7/8
millimeters
259
1475
1526
2130
PRIMO60
PRIMO60ST
Inches
10-3/16
64-1/16
66-1/16
89-7/8
millimeters
259
1627
1678
2283
REQUIRED FRAMING DIMENSION
WARNING! Risk of Fire!
Maintain framing dimension as required.
• Opening greater than 2 inches: Debris or other material could
enter the chase and cause fire.
Mesh screen required on top
of framing.
• Opening less than 2 inches: Appliance and combustible materials
will overheat.
E
Required Top of Header to Ceiling
(Discharge Opening)
PRIMO48 / PRIMO48ST
PRIMO60 / PRIMO60ST
MIN
Inches
2
millimeters
51
WARNING! Risk of Fire!
Minimum
dimension of discharge opening
MUST
be 2 inches! Appliance and combustible
materials will overheat.