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MAN-IRD-012-05-E

 

 
 

 

 

 

PROPOSED PLATFORM

 

Fig. 1 

 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

 

 

 
 

 

PROPOSED DIFFUSER

 

Fig. 2 

 
 
 
 
 
 

 
 
 
 
 

LOCATING THE UNITS 
IN AN ICE-RINK

 

Fig. 3 

 
1. 

Direct the airflow along the boards; 
do not direct air over the ice 
surface. 

2. 

Discharge duct equipped with 
horizontally and vertically 
adjustable louvers supplied by 
others. 

3. 

Minimum horizontal distance from 
nearest obstruction is 4 feet (1.2 
m). (

X

4. 

Unit should be 15 to 25 feet above 
ice surface (4.6 to 7.6 m). (

Y

Summary of Contents for IRD R404A Series

Page 1: ...om the ice surface then the horizontal duct louvers by others must be adjusted to direct the airflow away from the ice surface It is mandatory that this unit have a 36 inch 0 9 m discharge duct comple...

Page 2: ...refrigerant charge 3 Defective hot gas valve 4 Defective de ice control Refer to piping diagram for gas flow Fig 5 The installation of one or even two IRD Series units may not be sufficient to elimin...

Page 3: ...its can use the same switch Step 5 Discharge Duct Extension Provide a 36 inch 0 9 m discharge duct extension complete with horizontally and vertically adjustable louvers IMPORTANT Before starting up t...

Page 4: ...y during the active period or whenever high humidity is a problem When the return air temperature is low the IRD Series actually freezes moisture out of the air The coils have been designed for frost...

Page 5: ...ation at air inlet Follow duct design standards Unit undersized Recheck load calculations High head pressure Do not operate unit above 80 F 27 C Low airflow adjust blower belts Restricted filter dryer...

Page 6: ...Direct the airflow along the boards do not direct air over the ice surface 2 Discharge duct equipped with horizontally and vertically adjustable louvers supplied by others 3 Minimum horizontal distanc...

Page 7: ...ICE RINK DEFOGGER ELECTRICAL DIAGRAM Fig 4...

Page 8: ...MAN IRD 012 05 E 8 PIPING DIAGRAM Fig 5...

Page 9: ...ns checked for tightness Air flow and blower speed adjusted Units level and vibration isolated Drain connection tested and P trap filled Air entering temperature ____ F Minimum 4 feet Clearance on ret...

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