Difference between revisions of "RED PANDA TEMPERATURE STUDY"
From Green Garage Detroit
(4 intermediate revisions by the same user not shown) | |||
Line 1: | Line 1: | ||
+ | [[Image:RedPandaThermal.jpg|thumb|200px|]] | ||
+ | |||
<small>return to [[Sustainability Labs]] <br/> | <small>return to [[Sustainability Labs]] <br/> | ||
go to [[Labs Highlights]] <br/> | go to [[Labs Highlights]] <br/> | ||
go to [[Labs Sessions - Q1 2015]] </small> | go to [[Labs Sessions - Q1 2015]] </small> | ||
− | |||
− | |||
* '''Prep - Overview''' | * '''Prep - Overview''' | ||
Line 25: | Line 25: | ||
** Record of [https://drive.google.com/file/d/0B9bEzr-Y2qtaWG1FVWlPLU1pWjQ/view?usp=sharing Data and Observations] | ** Record of [https://drive.google.com/file/d/0B9bEzr-Y2qtaWG1FVWlPLU1pWjQ/view?usp=sharing Data and Observations] | ||
** [https://drive.google.com/file/d/0B9bEzr-Y2qtaR0htY1d5Nkxlc0k/view?usp=sharing Themal Imaging Summary Report] | ** [https://drive.google.com/file/d/0B9bEzr-Y2qtaR0htY1d5Nkxlc0k/view?usp=sharing Themal Imaging Summary Report] | ||
+ | |||
+ | [[Image:TheThermalBlob.jpg|thumb|200px|]] | ||
* '''Brain Work''' | * '''Brain Work''' |
Latest revision as of 21:13, 11 February 2015
return to Sustainability Labs
go to Labs Highlights
go to Labs Sessions - Q1 2015
- Prep - Overview
- Heat Sources - Premise of Operation
- Radiant floor section at perimeter in slab - 4 pipe passes (2 supply, 2 return) coming from end near electrical room
- Ventilation air from ERV not heated, but tempered by recovery
- Paths of Heat Transfer
- Walls, windows, slab uninsulated in middle, roof (incl. roof above middle room which is loft in Red Panda)
- Some heating of ERV ventilation air required to bring to space temp
- Interior partition to corridor
- Review trends from this week (space temp, water temp, etc.)
- Space temp setpoint raised to 68F
- Maintaining 68F at stat on 26F day outside; seems to be doing okay in general
- Heat Sources - Premise of Operation
- Hands-On
- Annex space pressure differentials
- Ventilation airflows
- Floor heating profile
- Temperature gradients in room
- Record of Data and Observations
- Themal Imaging Summary Report
- Brain Work
- Review observations/results in Red Panda Space
- Uniform air temp of about 70F across room
- Middle of floor about 68F surface temp
- Stat mounted on exterior wall set for 68F resulting in 70F air temp throughout space
- Electric heater in Red Panda running intermittently to supplement radiant floor, but was not running during Labs review (approx. a few minutes every 90 minutes or so reported)
- Other Annex Spaces
- Noticed blob of slightly higher temp in middle room radiant floor segment (see thermal image); looks similar to how leak might appear
- ERV air temp about 65F coming out of supply register by garage door
- Inner garage door surface about same temp as corridor air temp overall since improvements made; metal rails only cold spots left
- Review observations/results in Red Panda Space
- Conclusions & Suggestions
- Joe plans to add insulation on top of radiant floor heating in electrical room; room does not need heat, so preserve it for other spaces.
- Joe indicates system does not appear to be losing water, so elevated temp blob in middle room may be imperfection in concrete and/or place where PEX piping comes closer to surface; unknown.
- Still some furniture and other items on top of radiant surface; some (metal) get heated up and then distribute their heat back to space; others (wood) appear to block heat more.
- Any additional research or calcs required?
- None identified at this time.
Resources
- Commissioning Design Center
- Labs Highlights
- Labs Help Wanted
- Current Labs Summary
- Labs Idea Bin
- Labs Tool Box
TO DO
- Plan / Do / Check / Act / Repeat